Turkish AirlinesTK86% on time
Flights TK1246 06:55 Tu We Fr Su · TK1242 10:50 Mo We Fr Sa Su · TK1244 17:35 Tu We Th Fr Sa Su
live
Direct flights from London (STN) to Istanbul (IST): 7 nonstop departures observed each week across 1 airline. 86% of the last 7 operated flights arrived within 15 minutes of schedule. The median arrival is 25 minutes early. 1 of the 7 tracked flights was cancelled. The nonstop covers 2,456 km, an estimated 3 hours 39 minutes in the air. Measured by Pro Flight Search from live flight boards at London and Istanbul. Updated 16 September 2026 at 14:09 UTC.
STN
London
smooth · +6
IST
Istanbul
smooth · +0
2,456 km · ~3h 39m est.
Runs reliable · 1 airline · 7x weekly · nonstop
86% on time
of the last 7 operated STN → IST flights arrived within 15 minutes
Median arrival delay is −25 min. 1 of 7 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−25 minacross the last 7 operated legs
Flight time~3h 39mestimated from route distance
Weekly departures7x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Turkish Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at STN: 42% odds of a 15+ minute delay and around +17 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the London to Istanbul route actually runs
Pro Flight Search records official board updates for nonstop STN to IST flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — London (STN) to Istanbul (IST) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STN-IST
STN to IST questions
Is STN–IST running on time right now?
Smooth skies ahead. The departure side at STN is the weaker end, route health score 88/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STN–IST?
Operators schedule morning departures around 06:55 and evening departures around 17:35 from STN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IST delay card to confirm conditions when you'd arrive.
How long is the flight from STN to IST?
Great-circle distance is 2,456 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 203–241 min gate-to-gate on this route.
How often does STN–IST fly?
Turkish Airlines runs the route with about 15 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
.